On 14/7/21 00:18, Rob Morin wrote:
Wow, ok so that worked!
I put the Connect2Office.sh in the DumpPreUserCmd
It returns a zero as exit status too
And drops the vpn when done with DumpPostUserCmd
image.png
DumpPreUserCmd cript looks like this:
#!/bin/bash
sudo openvpn --daemon --config /etc/openvpn/gateway.hardent.com.ovpn
sleep 10
echo $?
/bin/true
DumpPostUserCmd looks like this:
#!/bin/bash
sudo killall openvpn
echo $?
/bin/true
You might consider a better method to ensure you close the "right"
openvpn tunnel (there could be cases where you would have more than
one). Usually the simplest would be to have the config on start create a
pid file, then you can simply kill `cat /run/openvpn/mytunnel.pid`, it
might also be an idea to confirm that the pid this file points to is
actually (still) openvpn, but at least it's working for you now. The
rest are just potential improvements you or someone else in future might
need/want.
Thanks a bunch Adam.
I hope this helps others!
Have a great day everyone!
Regards,
Adam
On Mon, Jul 12, 2021 at 7:52 PM Adam Goryachev via BackupPC-users
<backuppc-users@lists.sourceforge.net
<mailto:backuppc-users@lists.sourceforge.net>> wrote:
On 13/7/21 05:32, Rob Morin wrote:
> Hello all...
>
> I was looking at a way to start up my vpn from our remote backup
site
> to the office when backuppc starts a job.
>
> I googled around for quite a bit and saw some people were using a
> script in place of the pingcmd parameter.
>
> I have tried that but i cant get it to work, as well as stop the
> connection when done using the PostDumpCmd.
>
> In a host, where the PingCmd text box is located i entered:
> /usr/local/bin/Connect2Office.sh
> And made sure the check mark was there and I saved it.
>
> The script itself is below, not much at all, really.
>
> #!/bin/bash
> /bin/true
> sudo openvpn --daemon --config /etc/openvpn/gateway.hardent.com.ovpn
> echo $?
>
> I added the --daemon in order to put the process in the
> background while running
> /bin/true is there because i thought the exit status had to be
something
> and the echo $? is there for same exit status reason.
>
> The user backuppc is allowed to sudo that script via the sudoers
file.
>
> Now , when I manually run this command as the user backuppc or
> root, from the command line, all works well, and I can
manually start
> a backup and it completes fine.
>
> However, when I click on the start incremental job from GUI for the
> same host, as a test, the log file simply shows the below and
nothing
> gets backed up.
>
> 2021-07-12 14:49:45 incr backup started back to 2021-07-12 14:33:53
> (backup #0) for directory /etc
>
> Then after several minutes of nothing i dequeue the backup and
get the
> below, which is of course normal.
>
> 2021-07-12 14:51:26 Aborting backup up after signal INT
>
> I am sure I am doing something stupid....
> Any help would be appreciated.
>
> Have a great day!
>
>
I'm not sure of using PingCmd for this, but why not use the
DumpPreUserCmd
http://backuppc.sourceforge.net/faq/BackupPC.html#_conf_dumppreusercmd_
<http://backuppc.sourceforge.net/faq/BackupPC.html#_conf_dumppreusercmd_>
? The stdout will be sent to the log for you to see what is happening.
As for the script, usually you would run the /bin/true as the last
command so that it will ignore any other exit status and always show
"successful". So based on the current script, that line is pointless
unless you moved it to after the openvpn command.
You might also need to check any capabilities, probably backuppc
doesn't
have NET_CAP or ability to create tunnels etc, so once you are
sure the
script is being run (maybe add a touch /tmp/myscript) then you might
want to define a openvpn log file so you can see what it is doing
and/or
why it fails....
You might also need a sleep or some other test to ensure the
tunnel is
actually working/passing traffic, as openvpn will return before the
tunnel is up, and then backuppc will attempt to start the backup.
Regards,
Adam
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--
--
Rob Morin
Systems/Network Administrator
Hardent Inc.
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